sound/soc/codecs/wm_adsp.h

   1 /*
   2  * wm_adsp.h  --  Wolfson ADSP support
   3  *
   4  * Copyright 2012 Wolfson Microelectronics plc
   5  *
   6  * Author: Mark Brown <broonie@opensource.wolfsonmicro.com>
   7  *
   8  * This program is free software; you can redistribute it and/or modify
   9  * it under the terms of the GNU General Public License version 2 as
  10  * published by the Free Software Foundation.
  11  */
  12
  13 #ifndef __WM_ADSP_H
  14 #define __WM_ADSP_H
  15
  16 #include <sound/soc.h>
  17 #include <sound/soc-dapm.h>
  18
  19 #include "wmfw.h"
  20
  21 struct regulator;
  22
  23 struct wm_adsp_region {
  24         int type;
  25         unsigned int base;
  26 };
  27
  28 struct wm_adsp_alg_region {
  29         struct list_head list;
  30         unsigned int alg;
  31         int type;
  32         unsigned int base;
  33         size_t len;
  34 };
  35
  36 struct wm_adsp {
  37         const char *part;
  38         int num;
  39         int type;
  40         struct device *dev;
  41         struct regmap *regmap;
  42         struct snd_soc_card *card;
  43
  44         int base;
  45         int sysclk_reg;
  46         int sysclk_mask;
  47         int sysclk_shift;
  48
  49         struct list_head alg_regions;
  50
  51         int fw_id;
  52
  53         const struct wm_adsp_region *mem;
  54         int num_mems;
  55
  56         int fw;
  57         bool running;
  58
  59         struct regulator *dvfs;
  60
  61         struct list_head ctl_list;
  62
  63         struct work_struct boot_work;
  64 };
  65
  66 #define WM_ADSP1(wname, num) \
  67         SND_SOC_DAPM_PGA_E(wname, SND_SOC_NOPM, num, 0, NULL, 0, \
  68                 wm_adsp1_event, SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD)
  69
  70 #define WM_ADSP2(wname, num) \
  71 {       .id = snd_soc_dapm_dai_link, .name = wname " Preloader", \
  72         .reg = SND_SOC_NOPM, .shift = num, .event = wm_adsp2_early_event, \
  73         .event_flags = SND_SOC_DAPM_PRE_PMU }, \
  74 {       .id = snd_soc_dapm_out_drv, .name = wname, \
  75         .reg = SND_SOC_NOPM, .shift = num, .event = wm_adsp2_event, \
  76         .event_flags = SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD }
  77
  78 extern const struct snd_kcontrol_new wm_adsp1_fw_controls[];
  79 extern const struct snd_kcontrol_new wm_adsp2_fw_controls[];
  80
  81 int wm_adsp1_init(struct wm_adsp *adsp);
  82 int wm_adsp2_init(struct wm_adsp *adsp, bool dvfs);
  83 int wm_adsp1_event(struct snd_soc_dapm_widget *w,
  84                    struct snd_kcontrol *kcontrol, int event);
  85 int wm_adsp2_early_event(struct snd_soc_dapm_widget *w,
  86                          struct snd_kcontrol *kcontrol, int event);
  87 int wm_adsp2_event(struct snd_soc_dapm_widget *w,
  88                    struct snd_kcontrol *kcontrol, int event);
  89
  90 #endif